... powder for refractory 1.JH microsilica in high purity 2.stable quality 96%min high purity micro silica powder for refractory 1.Enhancing the fluid of pouring refractory, reducing the volume of used ......

Armoured optical cable

... control system,traffic communication system,intracity networks and local area networks. Characteristics Being protected by armouredmicro stainless steel soft pipe, it can resist more than 3000N of crushed force being strengthened......